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Related Concept Videos

Chronic Obstructive Pulmonary Disease01:24

Chronic Obstructive Pulmonary Disease

COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations01:19

Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations

Chronic Obstructive Pulmonary Disease, or COPD, is a long-term condition marked by persistent and only partially reversible airflow limitation. It involves two overlapping conditions—chronic bronchitis and emphysema—which often co-appear but differ in dominant symptoms and underlying mechanisms.Chronic Bronchitis FeaturesChronic bronchitis presents with a persistent productive cough and thick, sometimes purulent mucus due to airway inflammation, enlarged mucus glands, and goblet cell...
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.01:25

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Obstructive Pulmonary Disease I: Introduction01:23

Chronic Obstructive Pulmonary Disease I: Introduction

Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...

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Related Experiment Video

Updated: Jul 5, 2026

Auricular Acupuncture as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Sleep Disorders
05:34

Auricular Acupuncture as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Sleep Disorders

Published on: August 18, 2023

[Comorbidity in chronic obstructive pulmonary disease].

N A Karoli, E E Orlova, A V Markova

    Terapevticheskii Arkhiv
    |April 30, 2008
    PubMed
    Summary

    Comorbidity significantly increases mortality risk in chronic obstructive pulmonary disease (COPD) patients. A higher comorbidity index (CI) in COPD patients indicates a greater risk of death, aiding clinical management.

    Area of Science:

    • Pulmonology
    • Clinical Medicine
    • Epidemiology

    Background:

    • Chronic obstructive pulmonary disease (COPD) is a major cause of mortality worldwide.
    • Comorbidity is common in COPD patients and may influence disease outcomes.
    • Quantifying comorbidity burden is crucial for risk stratification in COPD.

    Purpose of the Study:

    • To investigate the prevalence and impact of comorbidity in patients with COPD.
    • To determine the contribution of comorbidity to the lethality of COPD patients.

    Main Methods:

    • Retrospective analysis of case histories of 125 COPD patients and 54 osteoarthritis patients matched for age and sex.
    • Calculation of comorbidity index (CI) for all patients.
    • Longitudinal follow-up of 77 COPD patients for 3-5 years.

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    Published on: October 18, 2024

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    Auricular Acupuncture as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Sleep Disorders
    05:34

    Auricular Acupuncture as a Traditional Chinese Medicine Therapy for Chronic Obstructive Pulmonary Disease Combined with Sleep Disorders

    Published on: August 18, 2023

    Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease
    04:53

    Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease

    Published on: October 18, 2024

    Main Results:

    • COPD patients exhibited a significantly higher mean comorbidity index (CI) compared to osteoarthritis patients (p < 0.001).
    • The CI correlated positively with the severity of COPD (p < 0.01).
    • A CI of 3 or more points was significantly more frequent in patients with lethal outcomes (p < 0.001) and correlated with reduced survival time (r = -0.54; p < 0.05).

    Conclusions:

    • Comorbidity is a significant factor contributing to mortality in COPD patients.
    • The comorbidity index (CI) can serve as a simple clinical tool for assessing the risk of death in COPD.
    • A CI exceeding 3 suggests a high risk of mortality, warranting careful consideration in COPD patient management.